简介：研究了光纤循环环路的偏振模色散统计特性,利用琼斯矩阵法对光纤循环环路的偏振模色散统计特性进行了数值模拟.结果表明,循环环路中与单一链路中的偏振模色散统计特性相比,无论是一阶还是高阶特性都有明显的区别.

简介：ThePMD-inducedpulsebroadeningmaycausethedegradationofreceiversensitivityandhasnegativeeffectsonthepowerspectrumofreceivedsignals.TheexpressionsofPMD-inducedpulsebroadeningeffectsonreceiversensitivityarederivedbasedontheconceptofmeansquarepulsewidth.TheeffectsofPMDonthespectrumofreceivedpowerareanalyzedindetail.Finally,theschemeisdiscussedwithwhichthepowerofacertainfrequencycomponentisextractedasafeedbackcontrolsignalinaPMDcompensationsystem.

简介：Anexperimentofadaptivepolarizationmodedispersion(PMD)compensationfor40-Gb/sreturn-to-zero(RZ)opticalcommunicationsystemisreported.Intheexperiment,degreeofpolarization(DOP)isusedasfeedbacksignalandparticleswarmoptimization(PSO)methodisadoptedaslogiccontrolalgorithm.Thecompensationtimeisabout200ms,thecompensateddifferentialgroupdelay(DGD)isupto30ps,andbiterrorrate(BER)of10^-9isreachedwhenPMDcompensationisemployed.

简介：

简介：Thetheoreticalandexperimentalanalysesofwideningthedifferentialgroupdelay(DGD)dynamicrangeofdegreeofpolarization(DOP)-basedpolarizationmodedispersionmonitorusingaband-passfilterarepresented.TheexperimentshowsthatthemaximumDGDsametime,DOPsensitivityhasalittlechange.Theexperimentalresultsareinaccordancewiththenumericalones.

简介：建立了以偏振度(DOP)作为反馈信号的10Gbit/s偏振模色散自适应补偿系统.实验中对于不同的光脉冲宽度,系统对偏振模色散的补偿效果具有明显的差异.最后,通过多次实验改进,找到了相应的改进方法.

简介：啁啾光纤光栅是用于偏振模色散补偿的重要光无源器件.本文对基于两个啁啾光纤光栅的偏振模色散补偿系统进行了分析.重点分析了啁啾光纤光栅的一阶啁啾系数和两个光栅之间的有效折射率差Δn变化对系统补偿特性的影响,并进行了数值仿真.

简介：介绍了固定分析法和Sagnac干涉法测量光纤偏振模色散的原理,并用其对三种一阶PMD模拟器的偏振模色散进行了测量,证明了固定分析法比Sagnac干涉法应用范围更广,固定分析法更具有普适性.